There are two overt semantic components and a covert one in a causative sentence.Its semantic framework is'causer+shi(使)+causee+result'and its syntactic projeetion framework is'subject+predicate center+obiect+complement'.The causative sentence is generated from sentences with'shi(使)'through raising the ergative verb and inserting a causative verb.The mechanisms of the causative sentence are weakening causative manner,making the causee prominent,conceiving the causative meaning,and employing a multi-function verb,i.e.,a verb which is both erga...